diff --git a/README.md b/README.md
index fc1d01cf..a40d6373 100644
--- a/README.md
+++ b/README.md
@@ -340,7 +340,7 @@ func main() {
 ```
 
 ```
-ids: map[b:hello a:1234], names: map[second:tianou first:thinkerou]
+ids: map[b:hello a:1234]; names: map[second:tianou first:thinkerou]
 ```
 
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